#include <iostream>
#include <vector>
#include <string>
using namespace std;
int main() {
vector<string> vecString;
vecString.push_back("0");
vecString.push_back("1");
vecString.push_back("2");
vecString.push_back("3");
vector<int> vecInt;
for (auto var : vecString)
{
vecInt.push_back(std::stod(var));
}
for (auto var : vecInt)
{
cout << var;
}
return 0;
}
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